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Check the number of vowels in a string
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| function countVowels(str){ | |
| return (str.match(/[aeiou]/gi) == null) ? 0 : str.match(/[aeiou]/gi).length; | |
| } | |
| // return (str.match(/[aeiou]/gi) || []).length; - shorter version | |
| // [aeiou] can be replaced by any other regex as per requirement |
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